Question about Altec Lansing VS4121 Speaker

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Altec Lansing VS4121 no sound

I've had problems with these speakers in the past, but I was generally able to solve them by uninstalling and reinstalling the drivers. This time it is not working, no matter what I do. I have gone through the entire windows troubleshooter and it was no help at all. Windows says the speakers are working properly, yet no sound comes out. Same problem with both speakers and the subwoofer. Please help.

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  • katieisme Nov 19, 2007

    Everything is plugged in properly, I've checked many times. A headset will play sound when its plugged into the headphone jack in the front of the computer. I have a Compaq Presario SR1150NX. I think it is on board sound, but I'm not sure.

  • katieisme Nov 19, 2007

    Headset jack on speakers: no sound
    Light is on, cable is plugged in the correct source.
    Extra PC speakers: ...I'm not sure, I'll look around.

  • katieisme Nov 19, 2007

    Found some speakers, they work (though the volume is somewhat low, its still audible). So the problem is with the speakers.

  • katieisme Nov 19, 2007

    So probably not fixable? Or, not fixable without professional help or mechanical skill anyway..

  • Anonymous Jan 22, 2009

    I have checked all the cables, and all the sound settings on my computer. Everything is on, even the light on the speaker. I need sound to do a homework presentation.



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If removing and reinstalling the driver fixed your problem then there was nothing wrong with the speakes. There was probably a problem with your soundcard drivers.

That being said, you should double check that you speakers are plugged in to the right sound board connector and the power supply is plugged into the wall outlet.

Does you computer have a headphone jack? If it does, you might try plugging a headset into it to see if you can hear sound there. If you do then you'll know the soundboard is working properly and maybe the speakers really are part of the problem. CD/DVD drives usually have a headset jack, but this will only work if a cable was run inside the computer from the CD/DVD drive to either the soundboard or motherboard.

What kind of computer do you have? Do you know if you have on board sound or a seperate sound board?

Posted on Nov 19, 2007

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  • ohiotom Nov 19, 2007

    I just looked up these speakers and they are supposed to have a headset jack. Can you hear sound when you're plugged in there?

    I looked at the Altec-Lansing documentation on these speakers and the trouble shooting chart is pretty straight forward. They just ask if you have the power on so you can see the power LED illuminated, and the cable plugged into the correct source (usually green on your computer).

    Lastly, do you have another set of pc speakers that you can plug in to this computer to verify there's nothing wrong with your on board sound?

  • ohiotom Nov 19, 2007

    Sounds right to me.

  • ohiotom Nov 19, 2007

    Given the price of computer speaker systems it's probably not worth trying to fix them. It looks like you can buy a new set for about $100. Anybody you would take these to would charge you nearly that just to look at them...sorry.



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